Servicing the AWD? Is this something a DIYer can do?
September 12th, 2018, 3:48 AM
#2
CF Monarch
Sure you can. You'll need to crawl under the vehicle and pull the fill and drain plugs drain into a container. Then you refill it to the bottom of the fill hole. GM calls for ATF III fluid for the Astro AWD, but you could use Dex 4 or 6 or a "synchomesh" type manual transmission fluid IMO.